Transient gene expression in untransformed lymphocytes

Abstract
Conditions for transfection of normal, freshly isolated and mitogen‐stimulated spleen cells were established. A sharp optimum of plasmid at 10 μg per 1.5 × 107 transfected spleen cells per transfection was observed. The Ig promoter and the IgH enhancer activity was found to be restricted to cells of the B lineage also in normal, freshly isolated lymphocytes in vitro.